Where the thought process of an individual becomes difficult and they may not be able to formulate words or sentences, thus becoming confused about their surroundings. Error out is usually used as a negative term as the individual may become distressed when experiencing this state of mind. Error out will occur in the human body when there is a large consumption of alcohol or narcotics been taken.
Word is derived from the terminology used for computers when there is a malfunction after rebooting.

Boy 1: Man, did you see Mike last weekend? He looked really bad, i think he smoked too much weed.

Boy 2: Yeah, i know, it was a real error out...He was just lying there, it was pretty funny!